| colusite, “arsenosulvanite” and “_Cu_-excess” tetrahedrite-tennantite at the Pefka highsulfidation epithermal...The high- to intermediate-sulfidation epithermal _Cu_-Au-Ag-Te deposit at Pefka in northeastern Greece...rare polymetallic ore-mineralogy including several _Cu_-, Bi-, Sn-, Ge-, V-, As-, Hg-, Au- and Ag-bearing...the rare _Cu_-sulfosalts and chalcogeno-salts watanabeite, colusite, “arsenosuvanite” and “_Cu_-excess” ...tetrahedrite-tennantite. Paragenetic sequences suggest deposition of an earlier high-sulfidation metallic |
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Catchpole, H., Kouzmanov, K., Fontboté, L. (2012) Copper-excess stannoidite and tennantite-tetrahedrite as proxies for hydrothermal fluid evolution in a zoned Cordillerian base metal district, Morococha, Central Peru. The Canadian Mineralogist, 50 (3). 719-743 doi:10.3749/canmin.50.3.719 |
Journal (article/letter/editorial) |
| 3749/canmin.50.3.719 COPPER-EXCESS STANNOIDITE AND _TENNANTITE_-TETRAHEDRITE AS PROXIES FOR HYDROTHERMAL FLUID...type. The distinct pattern of zonation consists of _Cu_-rich ores in the core area and increasingly Zn-,...vinciennite Cu10Fe4Sn(As,Sb) S16, and _tennantite_-tetrahedrite have variable Cu content and Fe2+/Fe3+ values between...they show _Cu_-excess and predominantly ferric Fe compositions in the central areas (Cu and Zn-Cu zones),... whereas stoichiometric Cu values and mixed Fe3+ and Fe2+ compositions are typical in the more distal |
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Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 |
Book (edition) |
| British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...Space Group Gold Silver Copper Lead Aluminum Au Ag Cu Pb Fm3m Fm3m Fm3m Fm3m Al Fm3m a D 4.079-....substitution by Ag, or to orange-red with substitution by Cu; metallic luster. No cleavage, hackly fracture, very...the mineral is commonly termed electrum. Up to 20% Cu, 20% Hg, 10% Pd, and minor Bi have been recorded...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver |
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(2017) Critical mineral resources of the United States—Economic and environmental geology and prospects for future supply. Professional Paper 1802. US Geological Survey doi:10.3133/pp1802 |
Report (issue) |
| .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |
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